server.js

   1 'use strict'
   2
   3 // ----------- Node modules -----------
   4 const bodyParser = require('body-parser')
   5 const express = require('express')
   6 const expressValidator = require('express-validator')
   7 const http = require('http')
   8 const morgan = require('morgan')
   9 const path = require('path')
  10 const TrackerServer = require('bittorrent-tracker').Server
  11 const WebSocketServer = require('ws').Server
  12
  13 process.title = 'peertube'
  14
  15 // Create our main app
  16 const app = express()
  17
  18 // ----------- Database -----------
  19 const constants = require('./server/initializers/constants')
  20 const logger = require('./server/helpers/logger')
  21 // Initialize database and models
  22 const db = require('./server/initializers/database')
  23 db.init(onDatabaseInitDone)
  24
  25 // ----------- Checker -----------
  26 const checker = require('./server/initializers/checker')
  27
  28 const missed = checker.checkMissedConfig()
  29 if (missed.length !== 0) {
  30   throw new Error('Miss some configurations keys : ' + missed)
  31 }
  32
  33 const errorMessage = checker.checkConfig()
  34 if (errorMessage !== null) {
  35   throw new Error(errorMessage)
  36 }
  37
  38 // ----------- PeerTube modules -----------
  39 const customValidators = require('./server/helpers/custom-validators')
  40 const friends = require('./server/lib/friends')
  41 const installer = require('./server/initializers/installer')
  42 const migrator = require('./server/initializers/migrator')
  43 const jobScheduler = require('./server/lib/jobs/job-scheduler')
  44 const routes = require('./server/controllers')
  45
  46 // ----------- Command line -----------
  47
  48 // ----------- App -----------
  49
  50 // For the logger
  51 app.use(morgan('combined', { stream: logger.stream }))
  52 // For body requests
  53 app.use(bodyParser.json({ limit: '500kb' }))
  54 app.use(bodyParser.urlencoded({ extended: false }))
  55 // Validate some params for the API
  56 app.use(expressValidator({
  57   customValidators: Object.assign(
  58     {},
  59     customValidators.misc,
  60     customValidators.pods,
  61     customValidators.users,
  62     customValidators.videos,
  63     customValidators.remote.videos
  64   )
  65 }))
  66
  67 // ----------- Views, routes and static files -----------
  68
  69 // API
  70 const apiRoute = '/api/' + constants.API_VERSION
  71 app.use(apiRoute, routes.api)
  72
  73 // Client files
  74 app.use('/', routes.client)
  75
  76 // Static files
  77 app.use('/', routes.static)
  78
  79 // Always serve index client page (the client is a single page application, let it handle routing)
  80 app.use('/*', function (req, res, next) {
  81   res.sendFile(path.join(__dirname, './client/dist/index.html'))
  82 })
  83
  84 // ----------- Tracker -----------
  85
  86 const trackerServer = new TrackerServer({
  87   http: false,
  88   udp: false,
  89   ws: false,
  90   dht: false
  91 })
  92
  93 trackerServer.on('error', function (err) {
  94   logger.error(err)
  95 })
  96
  97 trackerServer.on('warning', function (err) {
  98   logger.error(err)
  99 })
 100
 101 const server = http.createServer(app)
 102 const wss = new WebSocketServer({server: server, path: '/tracker/socket'})
 103 wss.on('connection', function (ws) {
 104   trackerServer.onWebSocketConnection(ws)
 105 })
 106
 107 // ----------- Errors -----------
 108
 109 // Catch 404 and forward to error handler
 110 app.use(function (req, res, next) {
 111   const err = new Error('Not Found')
 112   err.status = 404
 113   next(err)
 114 })
 115
 116 app.use(function (err, req, res, next) {
 117   logger.error(err)
 118   res.sendStatus(err.status || 500)
 119 })
 120
 121 // ----------- Run -----------
 122
 123 function onDatabaseInitDone () {
 124   const port = constants.CONFIG.LISTEN.PORT
 125     // Run the migration scripts if needed
 126   migrator.migrate(function (err) {
 127     if (err) throw err
 128
 129     installer.installApplication(function (err) {
 130       if (err) throw err
 131
 132       // ----------- Make the server listening -----------
 133       server.listen(port, function () {
 134         // Activate the communication with friends
 135         friends.activate()
 136
 137         // Activate job scheduler
 138         jobScheduler.activate()
 139
 140         logger.info('Server listening on port %d', port)
 141         logger.info('Webserver: %s', constants.CONFIG.WEBSERVER.URL)
 142
 143         app.emit('ready')
 144       })
 145     })
 146   })
 147 }
 148
 149 module.exports = app